KwickClips Java · 44 sec · free
Should marks be static?
Short answer. No, because marks differ for each student.
What is the test?
Ask whether the value is the same for every object.
Quick test
| Data | Same for all? | static? |
|---|---|---|
| School name | yes | yes |
| Student count | yes | yes |
| Marks | no | no |
Remember
| Shared: static |
| Per object: not static |
Should marks be static? No. Here is the test. Ask one question. Is school name the same for all? Yes, so static. A count is shared, so static. Marks differ, so not static. Shared data is static. Per object data is not.
This clip is from the full lesson: Static Members: Class Variables and Class Methods — 6 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: ICSE Class 10 Computer Applications, ISC Class 11 Computer Science (868), ISC Class 12 Computer Science (868), ISC Class 12 Computer Science (868)
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